1. Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China.
2. Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China.
3. Medical Research Institute, Wuhan University, Wuhan, China.
4. Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
5. Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China.